 record-inspector print /remote/iosg/coin/data/flow/feed-01.ap-northeast-1.aws/20191010/okex_ws_futures_v3_depth_diff_a1.queue-0000h3rmym.20191010-000002Z.gz --record topic --pretty | rg "BTC-USD-191011" -B 1 | cut -c1-50 | rg timestamp | cut -c16-34 > okex
 